Tax Analysts brings its customers the latest developments in all aspects of corporate taxation, often presenting both developments and analysis on the same day. Thus, customers can read just-released regulation text — for example, the final regulations on determining whether an expanded affiliated group has substantial business activities in a foreign country (contained in T.D. 9720) — and also read Tax Analysts’ same-day coverage ("Substantial Business Activities Regs Retain 25 Percent Threshold"), which summarizes the regulation, provides commentary by experts, and links to previous related documents and stories.